Home / 2,849.26-3,931.47-1,590.21

Finding the Fourth Proportional to 2,849.26, 3,931.47 and 1,590.21

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Solution

The fourth proportional to 2,849.26, 3,931.47 and 1,590.21 is: 2,194.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.26 : 3,931.47 = 1,590.21 : x
  2. Step 2: Convert to fraction form
    2,849.26/3,931.47 = 1,590.21/x
  3. Step 3: Cross multiply
    2,849.26x = 3,931.47 × 1,590.21
  4. Step 4: Simplify right side
    2,849.26x = 6,251,862.91
  5. Step 5: Solve for x
    x = 6,251,862.91/2,849.26
  6. Step 6: Final answer
    x = 2,194.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.